The latest update to the Mountain Lion Developer Preview, includes the “OS X Security Update Test 1.0″ feature which silently downloads and installs the latest security updates.
According to AppleInsider, in the latest update to the Mountain Lion Developer Preview, includes the “OS X Security Update Test 1.0″ feature, which will run daily or whenever a Mac restarts in an attempt to silently download and install the latest security updates.
In June, 2012, Apple also introduced silent patching for Adobe Flash Player running on Mac OS X.
Although for the time being we’re not seeing an epidemic growth in Mac OS X malware, due to what I believe is lack of mature monetization models offered by affiliate networks, this will inevitably change in the long term with cybercriminals looking to compromise more users with high purchasing power.
Mountain Lion Developer Preview users are advised to apply the update immediately in order to take advantage of the new feature.